Alimama Tech
Dec 22, 2021 · Artificial Intelligence
HetMatch: Heterogeneous Graph Neural Network for Keyword Recommendation in Search Advertising
HetMatch is a heterogeneous graph neural network for keyword recommendation in search advertising that tackles cold‑start and large‑scale challenges by hierarchically fusing node and subgraph features, denoising graph convolutions, applying self‑attention, twin matching, and multi‑view learning, delivering notable recall gains and online performance improvements for Alibaba’s advertising tools.
Search Advertisingcold startheterogeneous graph neural network
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